High performance with a narrow 10-degree beam angle, with no waiting time to warm up to full brightness, creating a comfortable atmosphere for any room. Energy saving : a perfect 50W halogen bulb replacement and save over 95% on your energy bill and safer than halogen bulbs. Easy to install : can be easily fitted. Ideal for living room, bedroom, kitchen, hallway, hotel and much more applications. Housing : Plastic outside and aluminum inside.